- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/218 - Source of audio or video content, e.g. local disk arrays
Patent holdings for IPC class H04N 21/218
Total number of patents in this class: 1610
10-year publication summary
119
|
173
|
204
|
238
|
255
|
193
|
187
|
161
|
129
|
38
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
AT&T Intellectual Property I, L.P. | 9886 |
55 |
Samsung Electronics Co., Ltd. | 131630 |
45 |
Sony Corporation | 32931 |
41 |
Nokia Technologies Oy | 15057 |
39 |
Canon Inc. | 36841 |
30 |
Comcast Cable Communications, LLC | 4075 |
29 |
Intel Corporation | 45621 |
27 |
Koninklijke Philips N.V. | 22975 |
27 |
Rovi Guides, Inc. | 3236 |
26 |
Google LLC | 38759 |
25 |
Koninklijke KPN N.V. | 742 |
24 |
Amazon Technologies, Inc. | 24422 |
23 |
DISH Technologies L.L.C. | 1666 |
23 |
Autoconnect Holdings LLC | 91 |
21 |
Sonos, Inc. | 2274 |
21 |
Apple Inc. | 50209 |
20 |
Verizon Patent And Licensing Inc. | 6900 |
20 |
LG Electronics Inc. | 69257 |
17 |
Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
14 |
Qualcomm Incorporated | 76576 |
13 |
Other owners | 1070 |